82129006 has 8 divisors (see below), whose sum is σ = 130440240. Its totient is φ = 38648928.

The previous prime is 82128983. The next prime is 82129043. The reversal of 82129006 is 60092128.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1207746 + ... + 1207813.

It is an arithmetic number, because the mean of its divisors is an integer number (16305030).

Almost surely, 2^82129006 is an apocalyptic number.

82129006 is a deficient number, since it is larger than the sum of its proper divisors (48311234).

82129006 is a wasteful number, since it uses less digits than its factorization.

82129006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415578.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 82129006 is about 9062.5055034466. The cubic root of 82129006 is about 434.6758601702.

The spelling of 82129006 in words is "eighty-two million, one hundred twenty-nine thousand, six".